swh:1:snp:6d793aeab171a5710c1817dc2536aa4c79222a27
Tip revision: 4391b04a9637c10d48185c11e42d8c7b01f83781 authored by Pierre-Yves Strub on 12 November 2020, 11:00:16 UTC
basic results about minr
basic results about minr
Tip revision: 4391b04
ecPhlCase.ml
(* --------------------------------------------------------------------
* Copyright (c) - 2012--2016 - IMDEA Software Institute
* Copyright (c) - 2012--2018 - Inria
* Copyright (c) - 2012--2018 - Ecole Polytechnique
*
* Distributed under the terms of the CeCILL-C-V1 license
* -------------------------------------------------------------------- *)
(* --------------------------------------------------------------------- *)
open EcFol
open EcCoreGoal
open EcLowPhlGoal
(* --------------------------------------------------------------------- *)
let t_hoare_case_r f tc =
let hs = tc1_as_hoareS tc in
let concl1 = f_hoareS_r { hs with hs_pr = f_and_simpl hs.hs_pr f } in
let concl2 = f_hoareS_r { hs with hs_pr = f_and_simpl hs.hs_pr (f_not f) } in
FApi.xmutate1 tc (`HlCase f) [concl1; concl2]
(* --------------------------------------------------------------------- *)
let t_bdhoare_case_r f tc =
let bhs = tc1_as_bdhoareS tc in
let concl1 = f_bdHoareS_r
{ bhs with bhs_pr = f_and_simpl bhs.bhs_pr f } in
let concl2 = f_bdHoareS_r
{ bhs with bhs_pr = f_and_simpl bhs.bhs_pr (f_not f) } in
FApi.xmutate1 tc (`HlCase f) [concl1; concl2]
(* --------------------------------------------------------------------- *)
let t_equiv_case_r f tc =
let es = tc1_as_equivS tc in
let concl1 = f_equivS_r { es with es_pr = f_and es.es_pr f } in
let concl2 = f_equivS_r { es with es_pr = f_and es.es_pr (f_not f) } in
FApi.xmutate1 tc (`HlCase f) [concl1; concl2]
(* --------------------------------------------------------------------- *)
let t_hoare_case = FApi.t_low1 "hoare-case" t_hoare_case_r
let t_bdhoare_case = FApi.t_low1 "bdhoare-case" t_bdhoare_case_r
let t_equiv_case = FApi.t_low1 "equiv-case" t_equiv_case_r
(* --------------------------------------------------------------------- *)
let t_hl_case_r f tc =
t_hS_or_bhS_or_eS
~th:(t_hoare_case f)
~tbh:(t_bdhoare_case f)
~te:(t_equiv_case f)
tc
(* -------------------------------------------------------------------- *)
let t_hl_case = FApi.t_low1 "hl-case" t_hl_case_r